diff --git a/numactl.spec b/numactl.spec
index 31b7c38..86edff1 100644
--- a/numactl.spec
+++ b/numactl.spec
@@ -35,7 +35,7 @@ allocations with NUMA policy in applications.
 
 %build
 cd numactl-%{version}
-make CFLAGS="$RPM_OPT_FLAGS -I. -fPIC -D_FORTIFY_SOURCE=2"
+make CFLAGS="$RPM_OPT_FLAGS -I. -fPIC"
 
 %install
 rm -rf $RPM_BUILD_ROOT